X0202 SCHEDULE 13G 0002039573 XXXXXXXX LIVE Class A Common Stock, par value $0.00001 per share 06/30/2026 0002021728 Cerebras Systems Inc. 15675D103 1237 E. Arques Avenue Sunnyvale CA 94085 Rule 13d-1(d) Andrew Feldman X1 10347232.00 50000.00 10347232.00 50000.00 10397232.00 N 9.2 IN Cerebras Systems Inc. 1237 E. Arques Avenue , Sunnyvale , CA ,94085 This statement is filed on behalf of Andrew Feldman (the "Reporting Person"). The principal business address of the Reporting Person is c/o Cerebras Systems Inc., 1237 E. Arques Avenue, Sunnyvale, CA, 94085. The Reporting Person is a citizen of the United States. Y The ownership information presented herein represents beneficial ownership of the shares of Class A Common Stock as of June 30, 2026, based upon 103,220,568 shares of Class A Common Stock outstanding as of June 30, 2026, as provided by the Issuer. The ownership information assumes the respective conversion of the Class B common stock, par value $0.00001 per share ("Class B Common Stock") of the Issuer, and the vesting of restricted stock units and exercise of stock options disclosed below, each into shares of Class A Common Stock of the Issuer on a one-to-one basis. The Reporting Person is the beneficial owner of 10,397,232 shares of Class A Common Stock, which consist of: (i) 268 shares of Class A Common Stock held directly by the Feldman Bravo Family Trust, of which the Reporting Person serves as trustee; (ii) 7,403,467 shares of Class A Common Stock underlying shares of Class B Common Stock held of record by the Reporting Person, (iii) 50,000 shares of Class A Common Stock underlying shares of Class B Common Stock held in a grantor retained annuity trust of which the Reporting Person is trustee; (iv) 50,000 shares of Class A Common Stock underlying shares of Class B Common Stock held in a grantor retained annuity trust of which the Reporting Person's spouse is trustee; (v) 2,850,000 shares of Class A Common Stock underlying stock options that are currently vested or will vest within 60 days of June 30, 2026; and (vi) 43,497 shares of Class A Common Stock underlying restricted stock units that will vest within 60 days of June 30, 2026. 9.2% 10,347,232 50,000 10,347,232 50,000 Y Y Y Y Y Y Andrew Feldman /s/ Andrew Feldman 08/14/2026